| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.73 | -0.05 |
| Feb | 0.78 | 0.84 | -0.06 |
| Mar | 1.45 | 1.49 | -0.04 |
| Apr | 2.57 | 2.69 | -0.12 |
| May | 3.74 | 3.98 | -0.24 |
| Jun | 4.44 | 4.43 | 0.01 |
| Jul | 3.70 | 3.72 | -0.02 |
| Aug | 3.87 | 4.11 | -0.24 |
| Sep | 3.09 | 3.14 | -0.05 |
| Oct | 2.35 | 2.47 | -0.12 |
| Nov | 1.38 | 1.41 | -0.03 |
| Dec | 0.92 | 1.03 | -0.11 |
28.97 | 30.04 | -1.07 |